JP2004520235A - Commodity packaging apparatus and method - Google Patents

Commodity packaging apparatus and method Download PDF

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Publication number
JP2004520235A
JP2004520235A JP2002551432A JP2002551432A JP2004520235A JP 2004520235 A JP2004520235 A JP 2004520235A JP 2002551432 A JP2002551432 A JP 2002551432A JP 2002551432 A JP2002551432 A JP 2002551432A JP 2004520235 A JP2004520235 A JP 2004520235A
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JP
Japan
Prior art keywords
product
path
belt
conveyor
packaging
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Pending
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JP2002551432A
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Japanese (ja)
Inventor
マリオ・スパタフォラ
ブルーノ・トンマシーニ
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GD SpA
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GD SpA
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Publication of JP2004520235A publication Critical patent/JP2004520235A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/18—Applying or generating heat or pressure or combinations thereof by endless bands or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/32—Induction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8244—Actuating mechanisms magnetically driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83521—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on bands or belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/93—Measuring or controlling the joining process by measuring or controlling the speed
    • B29C66/934—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed
    • B29C66/93451—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed by controlling or regulating the rotational speed, i.e. the speed of revolution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/944—Measuring or controlling the joining process by measuring or controlling the time by controlling or regulating the time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/28—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a curved path, e.g. on rotary tables or turrets
    • B65B11/30—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a curved path, e.g. on rotary tables or turrets to fold the wrappers in tubular form about contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/223—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers in a curved path; in a combination of straight and curved paths, e.g. on rotary tables or other endless conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81261—Thermal properties, e.g. thermal conductivity, thermal expansion coefficient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81262—Electrical and dielectric properties, e.g. electrical conductivity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83521—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on bands or belts
    • B29C66/83523—Cooperating jaws mounted on cooperating bands or belts and moving in a closed path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83531—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on chains

Abstract

複数の商品（２）を包装する装置（１）とその包装方法であって、複数の商品（２）は、各々の包装用シート（３）に適用され、上記商品（２）の周りを包装材であるシート（３）により覆い、筒状の包み（７）を形成するように包装コンベヤ（４）により第１通路（Ｐ１）に沿って運ばれ、その後、筒状の包みを閉じて固定させるために、包装コンベヤ（４）により第２通路（Ｐ２）に沿って運ばれ、シール要素（１１）は、第２通路（Ｐ２）に並走する第３通路（Ｐ４）に沿って、商品と調子を合わせて、別のコンベヤ（１２）により搬送され、筒状の包み（７）に適用され、当該筒状の包み（７）の重ね合わされた部分（８）をシールする。An apparatus (1) for packaging a plurality of products (2) and a packaging method thereof, wherein the plurality of products (2) are applied to respective packaging sheets (3), and are wrapped around the products (2). Covered by a sheet (3), which is a material, conveyed along a first path (P1) by a packaging conveyor (4) so as to form a tubular package (7), and then the tubular package is closed and fixed. The sealing element (11) is conveyed by the packaging conveyor (4) along the second path (P2) to move the goods along the third path (P4) running parallel to the second path (P2). In tune with this, it is conveyed by another conveyor (12) and applied to the tubular wrap (7) to seal the overlapped portion (8) of the tubular wrap (7).

Description

【技術分野】
【０００１】
本発明は、商品包装装置に関する。
【０００２】
特に、本発明は、以下に例示するように、１束のタバコを透明なヒートシール材で包装する連続セロハン装置に関する。
【背景技術】
【０００３】
現在、市販されている連続セロハン装置には、以下の特許文献１により開示されているタイプのものがある。上記装置は、通常、複数の台座を有する包装ホィールを備える。上記台座の各々において、１束のタバコの各々がそれぞれの包装用シートに適用される。上記包装用のシートは、筒状の包みを形成するように、上記１束のタバコの周りを覆う。上記筒状の包みは、後に、ヒートシールにより封止される。上記筒状の包みをヒートシールするため、包装ホィール上の台座の各々において、当該包装ホィールに適合し、かつ、休止位置と動作位置の間で移動可能なシールヘッドを設けることが提案されている。ここで、上記動作位置とは、シールヘッドが各筒状の包みに接触している位置をいう。
【特許文献１】欧州特許EP-972704-A1
【０００４】
上述した包装ホィールは、比較的複雑で、高価で、重かった。というのは、多数のシールヘッドとそれぞれの作動装置が上記包装ホィールに内蔵されていたためである。
【０００５】
上記課題を解決するため、ヒートシール処理を包装ホィールの下流においてシールコンベヤに沿って実行することが提案されている。しかし上記解法は、包装ホィールの構成を簡単にするが、セロハン装置全体のサイズ及び費用を増加する。更に、包装ホィールからコンベヤへと固定されていない筒状の包みを搬送することは、包装材を保持しているシートが元の形状に戻ろうとすることにより面倒なことになる。
【０００６】
本発明の目的は、商品を包装する機械であって、上記課題を解決すると共に、安価で容易に製造することができるものを提供することである。
【０００７】
本発明によれば、請求項１に記載した機械が提供される。
また、本発明は、商品を包装する方法に関する。
本発明によれば、請求項２５に記載の方法が提供される。
【発明を実施するための最良の形態】
【０００８】
図１の参照番号１は、タバコの束２を、ヒートシール包装材、特にポリプロピレンやその類のシート３により包む装置全体を示すものである。商品包装装置１は、包装ホィール４を備える。包装ホィール４は、図１に垂直な方向にのびる水平軸５を中心に連続して回転しており、かつ、周囲に多数の台座６を備える。各台座６は、入力位置Ｓ１で、タバコの束２及び包装材であるシート３を収容し、当該タバコの束２及び包装材であるシート３を、包装通路Ｐ１、そして、次に続く固定通路Ｐ２に沿って、出力位置Ｓ２へと搬送する。
【０００９】
包装通路Ｐ１に沿って、包装材のシート３は、包装材のシート３の２つの端部８を重ね合わせることにより、筒状の包み７を形成するように、周知の方法によりタバコの束２の周りを覆う。固定通路Ｐ２に沿って、各筒状の包み７は、上記重ね合わせた２つの端部８を互いにヒートシールすることにより固定される。ヒートシール処理が終了すると、各包み７は、出力位置Ｓ２に達し、ここで、図示しない周知の荷降ろし装置により台座６から取り出される。
【００１０】
商品包装装置１は、また、シール装置９を備える。上記シール装置９は、複数のシール部材１０を含み、シール部材１０の各々は、電熱線（図示せず）により過熱され、かつ、重ね合わせた端部８をヒートシールするための時間だけ筒状の包み７に適用されるシールヘッド１１を備えている。シール装置９は、また、表面にシールヘッド１１を支持する循環可撓性ベルト１３を有するベルトコンベヤ１２を備える。好ましい実施の形態では、シール部材１０の数は、周囲の台座６の数に等しい。これにより、各周囲の台座６は、常に同じシール部材１０により処理されることになり、包装装置１との調整及び設定が簡単化される。
【００１１】
シール部材１０の各々は、各包み７に調子を合わせながら、固定通路Ｐ２と並走する通路Ｐ３に沿って、ベルト１３により搬送される。これにより、各シールヘッド１１は、各包み７に予定時間だけ適用され、筒状の包み７をヒートシールすることができる。特に、通路Ｐ３は、循環通路Ｐ４を形成し、シールヘッド１１は、連続動作するベルト１３によって、循環するように当該循環通路Ｐ４に沿って搬送される。
【００１２】
図１に明確に示すように、通路Ｐ１、Ｐ２及びＰ３は、共通の軸５を中心とする円の実質的な弧に該当する。
【００１３】
コンベヤ１２は、また、循環通路Ｐ４に沿って、特にカーブした部分Ｐ３に沿って、ベルト１３を搬送するためのガイド装置１５を備える。ガイド装置１５は、３つの端部に、それぞれ軸５に平行で、周囲にベルト１３が巻きついた滑車１６，１７及び１８を備える。滑車１６及び１７は、通路Ｐ３の両端部に設けられている。滑車１８は、滑車１６及び滑車１７の間に位置し、滑車１６及び滑車１７と共に、二等辺三角形の頂点を定める。好ましい実施形態では、滑車１７が駆動される車であり、滑車１６及び滑車１８は、空回りする車である。滑車１７の回転速度は、通路Ｐ３に沿うシールヘッド１１の表面上の速度と、通路Ｐ２に沿う台座６の表面速度が等しくなるような値である。
【００１４】
ガイド装置１５は、また、通路Ｐ４と同じ外形を描いた軌道１９と、ベルト１３を上記軌道１９に接続するための接続装置２０とを含む。図示していない他の実施形態では、軌道１９は、通路Ｐ３に沿ってのみのびている。上記軌道１９は、２枚の平行に設けた平板２２の内側に設けた２つの実質的に向き合う溝２１により特定される。上記２つの平板２２は、軸５に対して垂直であり、ベルト１３の両側に設けられる。
【００１５】
接続装置２０は、複数の搬送台２３を含む。上記搬送台２３の各々は、ベルト１３の内壁２５に固定されている各付属部品２４によって支持され、両方の溝２１に噛み合わされており、各付属部品２４に一体化されたシャフト軸２６を備える。上記シャフト軸２６は、両端部に、溝２１に沿って空回りする２個のホィール２７を支持している。
【００１６】
各平板２２は、実質的に矩形であり、包装ホィール４との干渉を避けるため、端部に半円状の凹部を有している。
【００１７】
図５に示す実施の形態において、ガイド装置１５は、それぞれ軸５に平行な軸を持ち、周りにベルト１３が巻きついている端部の滑車１６及び１７だけで構成されている。各シールヘッド１１は、それぞれ、中央の平板２９を含む、実質的にＺ字状のフレーム２８に固定されている。上記中央の平板２９は、一方の端部において、ベルト１３に対向し、滑車１６及び１７の軸に平行な横向きの蝶番３１によりベルト１３に接続されている側部付属部品３０を有すると共に、他方の端部において、ベルト１３の外側表面に面し、上記蝶番３１に平行な蝶番３３により各シールヘッド１１を支持する側部付属部品３２を有する。上記側部付属部品３２では、支持フレーム２８は、フレーム２８がベルト１３の曲率変化に適応できるように、接続棒３４によりベルト１３に接続されている。
【００１８】
各シールヘッド１１は、それぞれのフレーム２８の平板２９に実質的に面しており、シールヘッド１１が、通路Ｐ２に沿って動く各包み７に、接する作動位置（図５を参照）と、シールヘッド１１が、通路Ｐ２に沿って動く各包み７に、接していない休止位置との間で、蝶番３３を軸に振動する。蝶番３３に関する各シールヘッド１１の角位置は、以下の通り制御されている。即ち、一方の端において、シールヘッド１１と関係するフレーム２８の間に設けてある弾性体の推力を利用したシステム３５により、シールヘッド１１が動作位置を維持するように制御され、かつ、他方の端において、リターン装置３６により、シールヘッド１１を平板２９の方向に移動して、休止位置となるように制御されている。
【００１９】
リターン装置３６は、強磁性体の材料である電機子３７を含む。当該電機子３７は、関係するシールヘッド１１の一端に蝶番式に取り付けられており、関係する平板２９及びベルト１３を貫通する２個のスルーホール３８及び３９に、スライド移動可能な状態で嵌め込まれている。ベルト１３の内部へと突き刺さっている各電機子３７の部分は、当該電機子３７が通路Ｐ３に沿って移動する際、平板２２により搬送され、複数のシールヘッド２２を各包み７から引き離すために用意された電磁石４０の列によって生成された磁界に干渉する。
【００２０】
実際の使用時、シールヘッド１１が各包み７に押し付けられている時間は、通路Ｐ２に沿う包み７の移動速度、即ち、包装ホィール４の回転速度が一定の場合において、電磁石４０による通路Ｐ３の事実上の長さの変更に伴い、特定の値に維持される。上記電磁石４０は、シールヘッド１１が包み７に押し付けられる通路Ｐ３の長さを調節するために設けられているものである。
【００２１】
シールヘッド１１は、比較的温度変化に影響されず、比較的高い電気抵抗の材料で形成され、かつ、１個の閉回路４１を形成するように、電線（図示しない）により互いに直列に接続されている。上記閉回路４１に磁気的に接続された周知の電源４２（略記する）による磁界の変化により誘起される交流電流が、上記閉回路４１に流れる。磁界を変化させることによる交流電流の強度及び／又は周波数の調節は、閉回路４１に流れる電流の強度を調整し、これにより、シールヘッド１１の動作温度を調整する。
【００２２】
図示しない変形例において、弾性システム３５及びリターン装置３６の機能は、逆転される。即ち、弾性システム３５は、休止位置にシールヘッド１１を保持し、リターン装置３６は、シートヘッド１１を動作位置に移動する。
【００２３】
この場合において、通路Ｐ３の実際の長さは、電磁石４０により調整されるが、この場合には、シールヘッド１１を休止位置から動作位置へと戻す斥力を作用させることになる。
【００２４】
最後に、図示していない他の変形例では、リターン装置３６が省略され、通路Ｐ３の実際の長さは、各シールヘッド１１毎に、制御された方法によりシールヘッド１１の２つの端部を短絡することによって調整される。
【００２５】
この場合において、各シールヘッド１１が活性状態で対応する包み７に適用されている期間は、包装ホィール４の回転速度の変化に伴い、シールヘッド１１を包み７から離さずシールヘッド１１を非活性化することで特定の値を保持することができる。
【図面の簡単な説明】
【００２６】
【図１】本発明の好ましい実施形態の商品包装装置の正面図である。
【図２】図１の一部拡大図である。
【図３】図２のIII−III線に沿った断面図である。
【図４】図１の装置の一部拡大図である。
【図５】図１の装置の変形例の一部拡大図である。
【符号の説明】
【００２７】
１ 商品包装装置、２ タバコの束、３ シート、４ 包装ホィール、６ 台座、７ 包み、９ シート装置、１１ シールヘッド、１３ ベルト、１９ 外形軌道、２３ 搬送台、２８ フレーム、３５ 弾性的推力システム、３６ リターン装置、３７ 電機子、４０ 電磁石、４１ 閉回路、Ｐ１，Ｐ２，Ｐ３，Ｐ４ 通路。【Technical field】
[0001]
The present invention relates to a product packaging device.
[0002]
In particular, the present invention relates to a continuous cellophane device for packaging a bundle of cigarettes with a transparent heat seal, as exemplified below.
[Background Art]
[0003]
Currently, there is a type of continuous cellophane device on the market disclosed in Patent Literature 1 below. The device usually comprises a packaging wheel having a plurality of pedestals. In each of the pedestals, each bundle of cigarettes is applied to a respective wrapping sheet. The packaging sheet covers around the bundle of cigarettes so as to form a tubular wrap. The tubular wrap is later sealed by heat sealing. In order to heat seal the cylindrical wrapping, it has been proposed to provide, on each of the pedestals on the packaging wheel, a sealing head adapted to the packaging wheel and movable between a rest position and an operating position. . Here, the operating position refers to a position at which the seal head is in contact with each of the tubular packages.
[Patent Document 1] European Patent EP-972704-A1
[0004]
The packaging wheels described above were relatively complex, expensive and heavy. This is because a number of seal heads and respective actuators were incorporated in the packaging wheel.
[0005]
In order to solve the above problems, it has been proposed to perform a heat sealing process along a seal conveyor downstream of a packaging wheel. However, while the above solution simplifies the construction of the packaging wheel, it increases the overall size and cost of the cellophane device. In addition, transporting an unsecured tubular wrap from the wrapping wheel to the conveyor can be cumbersome as the sheet holding the wrapping material tends to return to its original shape.
[0006]
An object of the present invention is to provide a machine for packaging goods, which solves the above-mentioned problems and can be manufactured at low cost and easily.
[0007]
According to the invention, there is provided a machine according to claim 1.
The invention also relates to a method for packaging goods.
According to the invention, there is provided a method according to claim 25.
BEST MODE FOR CARRYING OUT THE INVENTION
[0008]
The reference number 1 in FIG. 1 designates the entire device for wrapping a bundle 2 of cigarettes with a heat-sealing wrapping material, especially a sheet 3 of polypropylene or the like. The product packaging device 1 includes a packaging wheel 4. The wrapping wheel 4 is continuously rotating around a horizontal axis 5 extending in a direction perpendicular to FIG. 1, and has a plurality of pedestals 6 around the wrapping wheel 4. Each pedestal 6 accommodates, at the input position S1, the bundle 2 of cigarettes and the sheet 3 as a wrapping material, and transfers the bundle 2 of cigarettes and the sheet 3 as a wrapping material to the packaging path P1, and then to the fixed path following The sheet is conveyed to the output position S2 along P2.
[0009]
Along the packaging path P1, the wrapping material sheet 3 is laid in a known manner so as to form a tubular wrap 7 by overlapping the two ends 8 of the wrapping material sheet 3. Cover around. Along the fixed path P2, each tubular package 7 is fixed by heat-sealing the two overlapping end portions 8 to each other. When the heat sealing process is completed, each package 7 reaches the output position S2, where it is taken out of the base 6 by a well-known unloading device (not shown).
[0010]
The product packaging device 1 also includes a sealing device 9. The sealing device 9 includes a plurality of sealing members 10, each of which is heated by a heating wire (not shown) and has a cylindrical shape for a time for heat-sealing the overlapped end portions 8. A seal head 11 that is applied to the package 7. The sealing device 9 also comprises a belt conveyor 12 having a circulating flexible belt 13 supporting a seal head 11 on the surface. In a preferred embodiment, the number of sealing members 10 is equal to the number of surrounding pedestals 6. Thereby, the surrounding pedestals 6 are always treated by the same sealing member 10, and adjustment and setting with the packaging apparatus 1 are simplified.
[0011]
Each of the seal members 10 is conveyed by the belt 13 along a path P3 running in parallel with the fixed path P2 while adjusting to each package 7. Thereby, each seal head 11 is applied to each packet 7 for the scheduled time, and the cylindrical packet 7 can be heat-sealed. In particular, the passage P3 forms a circulation passage P4, and the seal head 11 is conveyed along the circulation passage P4 by the continuously operating belt 13 so as to circulate.
[0012]
As clearly shown in FIG. 1, the passages P1, P2 and P3 correspond to a substantial arc of a circle about the common axis 5.
[0013]
The conveyor 12 is also provided with a guide device 15 for conveying the belt 13 along the circulation path P4, in particular along the curved part P3. The guide device 15 is provided at its three ends with pulleys 16, 17 and 18 respectively parallel to the axis 5 and around which a belt 13 is wound. The pulleys 16 and 17 are provided at both ends of the passage P3. The pulley 18 is located between the pulleys 16 and 17 and together with the pulleys 16 and 17 defines a vertex of an isosceles triangle. In a preferred embodiment, the pulley 17 is a driven vehicle and the pulleys 16 and 18 are idle vehicles. The rotation speed of the pulley 17 is set so that the speed on the surface of the seal head 11 along the passage P3 is equal to the surface speed of the pedestal 6 along the passage P2.
[0014]
The guide device 15 also includes a track 19 having the same outer shape as the path P4, and a connecting device 20 for connecting the belt 13 to the track 19. In another embodiment, not shown, the track 19 extends only along the path P3. The track 19 is defined by two substantially opposed grooves 21 provided inside two parallel plates 22. The two flat plates 22 are perpendicular to the axis 5 and are provided on both sides of the belt 13.
[0015]
The connection device 20 includes a plurality of transfer tables 23. Each of the transfer tables 23 is supported by each accessory 24 fixed to the inner wall 25 of the belt 13, is engaged with both grooves 21, and includes a shaft 26 integrated with each accessory 24. . The shaft 26 supports, at both ends thereof, two wheels 27 that run idle along the groove 21.
[0016]
Each flat plate 22 is substantially rectangular, and has a semicircular concave portion at an end to avoid interference with the packaging wheel 4.
[0017]
In the embodiment shown in FIG. 5, the guide device 15 has only axes pulleys 16 and 17 each having an axis parallel to the axis 5 and around which the belt 13 is wound. Each seal head 11 is fixed to a substantially Z-shaped frame 28 including a central flat plate 29. The central plate 29 has, at one end, a side attachment 30 facing the belt 13 and connected to the belt 13 by a transverse hinge 31 parallel to the axes of the pulleys 16 and 17, and the other. At the end, there is a side accessory 32 facing the outer surface of the belt 13 and supporting each seal head 11 by a hinge 33 parallel to said hinge 31. In the side accessory 32, the support frame 28 is connected to the belt 13 by connecting rods 34 so that the frame 28 can adapt to the change in the curvature of the belt 13.
[0018]
Each seal head 11 substantially faces the flat plate 29 of the respective frame 28, and the operating position (see FIG. 5) where the seal head 11 contacts each packet 7 moving along the path P2; The head 11 oscillates about the hinge 33 between the rest position, which is not in contact with each packet 7 moving along the path P2. The angular position of each seal head 11 with respect to the hinge 33 is controlled as follows. That is, at one end, the system 35 using the thrust of an elastic body provided between the frame 28 related to the seal head 11 is controlled so that the seal head 11 maintains the operating position, and the other side. At the end, the return device 36 controls the seal head 11 to move in the direction of the flat plate 29 to be at the rest position.
[0019]
The return device 36 includes an armature 37 made of a ferromagnetic material. The armature 37 is hingedly attached to one end of the relevant seal head 11 and is slidably fitted into two through holes 38 and 39 passing through the relevant flat plate 29 and belt 13. ing. The portion of each armature 37 pierced into the inside of the belt 13 is conveyed by the flat plate 22 when the armature 37 moves along the path P3, in order to separate the plurality of seal heads 22 from each packet 7. It interferes with the magnetic field generated by the array of prepared electromagnets 40.
[0020]
In actual use, the time during which the seal head 11 is pressed against each package 7 is determined by the movement speed of the package 7 along the path P2, that is, when the rotation speed of the packaging wheel 4 is constant, the passage P3 by the electromagnet 40 is set. As the virtual length changes, it is kept at a specific value. The electromagnet 40 is provided to adjust the length of the passage P3 against which the seal head 11 is pressed against the envelope 7.
[0021]
The seal heads 11 are made of a material having a relatively high electrical resistance, relatively unaffected by temperature changes, and are connected in series with each other by electric wires (not shown) so as to form one closed circuit 41. ing. An alternating current induced by a change in a magnetic field by a known power supply (abbreviated) magnetically connected to the closed circuit 41 flows through the closed circuit 41. Adjustment of the intensity and / or frequency of the alternating current by changing the magnetic field adjusts the intensity of the current flowing through the closed circuit 41, thereby adjusting the operating temperature of the seal head 11.
[0022]
In a variant not shown, the functions of the elastic system 35 and the return device 36 are reversed. That is, the elastic system 35 holds the seal head 11 at the rest position, and the return device 36 moves the seat head 11 to the operating position.
[0023]
In this case, the actual length of the passage P3 is adjusted by the electromagnet 40. In this case, a repulsive force for returning the seal head 11 from the rest position to the operating position is applied.
[0024]
Finally, in another variant not shown, the return device 36 is omitted and the actual length of the passage P3 is determined for each seal head 11 by the two ends of the seal head 11 in a controlled manner. Adjusted by short circuit.
[0025]
In this case, during a period in which each seal head 11 is applied to the corresponding package 7 in the active state, the seal head 11 is not deactivated without releasing the seal head 11 from the package 7 due to a change in the rotation speed of the packaging wheel 4. , A specific value can be held.
[Brief description of the drawings]
[0026]
FIG. 1 is a front view of a product packaging device according to a preferred embodiment of the present invention.
FIG. 2 is a partially enlarged view of FIG.
FIG. 3 is a sectional view taken along the line III-III in FIG. 2;
FIG. 4 is a partially enlarged view of the apparatus of FIG. 1;
FIG. 5 is a partially enlarged view of a modification of the apparatus of FIG. 1;
[Explanation of symbols]
[0027]
1 Commodity packaging device, 2 bundles of cigarettes, 3 sheets, 4 packaging wheels, 6 pedestals, 7 wrappings, 9 sheet devices, 11 seal heads, 13 belts, 19 outer tracks, 23 conveyors, 28 frames, 35 elastic thrust system , 36 return device, 37 armature, 40 electromagnet, 41 closed circuit, P1, P2, P3, P4 passage.

Claims (26)

商品（２）を連続して搬送する第１コンベヤ（４）で
あって、上記商品（２）に包装材である各シート（３）を適用し、第１通路（Ｐ１）に沿って商品（２）の周りを包装材のシート（３）で覆って包み（７）を形成すると共に、上記商品（２）を第１通路（Ｐ１）に続いて第２通路Ｐ２に搬送する第１コンベヤ（４）と、上記第２通路（Ｐ２）に沿って包み（７）に適用され、シールすることにより包み（７）を固定する各シール手段（１０）とを含む商品（２）の商品包装装置（１）であって、
上記第２通路（Ｐ２）に並走する通路（Ｐ３）に沿って、上記商品（２）に調子を合わせて、上記シール手段（１０）を搬送する第２コンベヤ（１２）を備えたことを特徴とする商品包装装置。A first conveyor (4) for continuously conveying a product (2), wherein each sheet (3) as a packaging material is applied to the product (2), and the product (2) is moved along a first path (P1). A first conveyor (2) that covers the periphery of 2) with a wrapping sheet (3) to form a wrap (7) and conveys the product (2) to a second path P2 following the first path (P1). 4) and a product (2) product packaging device that is applied to the package (7) along the second path (P2) and includes sealing means (10) for fixing the package (7) by sealing. (1)
A second conveyor (12) for conveying the sealing means (10) in tune with the product (2) along a path (P3) running parallel to the second path (P2). Characteristic product packaging equipment. 上記第１コンベヤ（４）は、包装材のシート（３）と、関係する商品（２）とを、それぞれ収容する複数の台座（６）を周囲に含み、各台座（６）には、それぞれシール手段（１０）が結合されている請求項１に記載の商品包装装置。The first conveyor (4) includes a plurality of pedestals (6) around which a sheet of packaging material (3) and a related product (2) are respectively accommodated, and each pedestal (6) includes 2. A product packaging device according to claim 1, wherein the sealing means (10) is connected. 第１、第２及び第３通路（Ｐ１，Ｐ２，Ｐ３）は、曲がっている通路である請求項１又は請求項２に記載の商品包装装置。The product packaging device according to claim 1 or 2, wherein the first, second, and third passages (P1, P2, P3) are curved passages. 上記第１コンベヤ（４）は、包装ホィール（４）であり、かつ、上記第１、第２及び第３通路（Ｐ１、Ｐ２、Ｐ３）は、ある円の同軸の弧により特定されるものである請求項１乃至請求項３の何れかに記載の商品包装装置。The first conveyor (4) is a wrapping wheel (4), and the first, second and third passages (P1, P2, P3) are specified by coaxial arcs of a circle. The product packaging device according to any one of claims 1 to 3. 上記包み（７）は、筒状の包みである請求項１乃至請求項４の何れかに記載の商品包装装置。The product packaging device according to any one of claims 1 to 4, wherein the package (7) is a tubular package. 上記シール手段（１０）は、複数のシールヘッド（１１）を備える請求項１乃至請求項５の何れかに記載の商品包装装置。The product packaging device according to any one of claims 1 to 5, wherein the sealing means (10) includes a plurality of seal heads (11). 上記第２ベルトコンベヤ（１２）は、ベルトコンベヤ（１２）であり、上記シール手段（１０）を支持している循環ベルト（１３）を含み、上記第２ベルトコンベヤ（１２）は、上記第３通路（Ｐ３）に沿って上記ベルト（１３）を搬送するためのガイド手段（１５）を含む請求項１乃至請求項６の何れかに記載の商品包装装置。The second belt conveyor (12) is a belt conveyor (12) and includes a circulation belt (13) supporting the sealing means (10), and the second belt conveyor (12) includes the third belt conveyor (12). The product packaging device according to any one of claims 1 to 6, further comprising a guide means (15) for conveying the belt (13) along the path (P3). 上記ガイド手段（１５）は、第３通路（Ｐ３）と同じ外形を描いた軌道（１９）と、上記ベルト（１３）を上記軌道（１９）に接続する接続手段（２０）とを備える請求項７に記載の商品包装装置。The guide means (15) comprises a track (19) having the same outer shape as the third passage (P3), and a connecting means (20) for connecting the belt (13) to the track (19). 8. The product packaging device according to 7. 上記軌道（１９）は、上記ベルト（１３）の全通路（Ｐ４）に渡ってのびている請求項８に記載の商品包装装置。9. A packaging device according to claim 8, wherein the track (19) extends over the entire path (P4) of the belt (13). 上記軌道（１９）は、上記ベルト（１３）の両側に位置する２枚の平板（２２）の内側に形成されている溝（２１）により特定される請求項８又は請求項９に記載の商品包装装置。The product according to claim 8 or 9, wherein the track (19) is specified by a groove (21) formed inside two flat plates (22) located on both sides of the belt (13). Packaging equipment. 上記接続手段（２０）は、上記溝（２１）の内側を走り、上記ベルト（１３）に連結された複数の搬送台（２３）を含む請求項１０に記載の商品包装装置。The packaging device according to claim 10, wherein the connection means (20) includes a plurality of carriages (23) running inside the groove (21) and connected to the belt (13). 上記搬送台（２３）の各々は、上記ベルト（１３）に連結されたシャフト（２６）と、上記シャフト（２６）に空回りするように取り付けられた２つの端部ホィール（２７）とを含む請求項１１に記載の商品包装装置。Each of said carriages (23) includes a shaft (26) connected to said belt (13), and two end wheels (27) idlely mounted on said shaft (26). Item 14. The product packaging device according to item 11. 上記ベルト（１３）は、上記シール手段（１０）を固定する表面（１４）と、上記シャフト（２６）を支持する付属部品（２４）が突出している内面（２５）とを含む請求項１２に記載の商品包装装置。13. The belt according to claim 12, wherein the belt (13) includes a surface (14) for fixing the sealing means (10) and an inner surface (25) from which an accessory (24) supporting the shaft (26) projects. Product packaging device as described. 上記シールヘッド（１１）は、比較的温度変化に影響されず、比較的高い電気抵抗の加熱抵抗器を含む請求項６乃至請求項１３の何れかに記載の商品包装装置。14. The packaging apparatus according to any one of claims 6 to 13, wherein the seal head (11) includes a heating resistor that is relatively unaffected by temperature changes and has a relatively high electrical resistance. 上記加熱抵抗器は、閉回路（４１）を形成するように接続されており、時間変化する磁界を生成する手段（４２）が上記閉回路（４１）に電磁的に接続されている請求項１４に記載の商品包装装置。The heating resistor is connected to form a closed circuit (41), and the means (42) for generating a time-varying magnetic field is electromagnetically connected to the closed circuit (41). A product packaging device according to item 1. 上記加熱抵抗器の各々が第３通路（Ｐ３）の実際の長さを調節するため、短絡することができる請求項１４又は請求項１５に記載の商品包装装置。16. The packaging apparatus according to claim 14 or claim 15, wherein each of the heating resistors can be short-circuited to adjust the actual length of the third passage (P3). 上記シールヘッド（１１）の各々は、２つの点で上記ベルト（１３）に蝶番式に取り付けられているそれぞれのフレーム（２８）により上記ベルト（１３）に接続されている請求項６乃至請求項１６の何れかに記載の商品包装装置。7. The sealing head (11) is connected to the belt (13) by a respective frame (28) hingedly attached to the belt (13) at two points. Item 16. The product packaging device according to any one of items 16. 上記フレーム（２８）は、上記ベルト（１３）に直接、蝶番式に取り付けられた第１端部と、接続棒（３４）の内側を介してベルト（１３）に取り付けられた第２端部とを備える請求項１７に記載の商品包装装置。The frame (28) has a first end hingedly attached directly to the belt (13) and a second end attached to the belt (13) via the inside of the connecting rod (34). The product packaging apparatus according to claim 17, comprising: 上記シールヘッド（１１）の各々は、フレーム（２８）に関連して、弾性手段（３５）の反対側の端において動作位置から休止位置へと移動するように、それぞれのフレーム（２８）に接続されている請求項１７又は請求項１８に記載の商品包装装置。Each of said seal heads (11) is connected to a respective frame (28) so as to move from an operating position to a rest position at an opposite end of the elastic means (35) in relation to the frame (28). The product packaging apparatus according to claim 17 or claim 18, wherein 上記シールヘッド（１１）の各々は、各フレーム（２８）に著番式に取り付けられており、上記弾性手段（３５）の反対側の端において上記シールヘッド（１１）を動作位置から休止位置へと移動するリターン手段（３１）を備える請求項１９に記載の商品包装装置。Each of said seal heads (11) is predominantly mounted on each frame (28) and at the opposite end of said elastic means (35) moves said seal head (11) from an operating position to a rest position. Commodity wrapping apparatus according to claim 19, comprising a return means (31) for moving. 上記リターン手段（３１）は、上記シールヘッド（１１）に連結され、第３通路（Ｐ３）に沿ってシールヘッド（１１）を動かす強磁性体の電機子（３７）と、上記第３通路（Ｐ３）に沿って分割された電磁石（４０）とを含む請求項２０に記載の商品包装装置。The return means (31) is connected to the seal head (11) and moves the seal head (11) along the third passage (P3). 21. An apparatus according to claim 20, comprising an electromagnet (40) split along P3). 上記シールヘッド（１１）の各々は、フレーム（２８）に関連して、弾性手段（３５）の反対側の端において休止位置から動作位置へと移動するように、各フレーム（２８）に接続されている請求項１７又は請求項１８に記載の商品包装装置。Each of the seal heads (11) is connected to a respective frame (28) so as to move from a rest position to an operating position at an opposite end of the elastic means (35) in relation to the frames (28). The product packaging device according to claim 17 or 18, wherein 上記シールヘッド（１１）の各々は、各フレーム（２８）に蝶番式に取り付けられており、上記弾性手段（３５）の反対側の端において上記シールヘッド（１１）を休止位置から動作位置へと移動するリターン手段（３１）を備える請求項２２に記載の商品包装装置。Each of said seal heads (11) is hingedly mounted on a respective frame (28) and at the opposite end of said elastic means (35) moves said seal head (11) from a rest position to an operating position. 23. Commodity packaging device according to claim 22, comprising moving return means (31). 商品（２）を包む商品包装装置（１）であって、上記商品包装装置（１）は、包装材の各シート（３）が適用された商品（２）により特定される包み（７）を、曲がった通路（Ｐ２）に沿って搬送する第１コンベヤ（４）と、上記包み（７）をシールして固定するシール手段（１０）を含み、上記曲がった通路（Ｐ２）に並走する別の曲がった通路（Ｐ３）に沿って、上記商品（２）に調子を合わせて、上記シール手段（１０）を搬送し、上記包み（７）に上記シール手段（１０）を適用する第２コンベヤ（１２）とを含むことを特徴とする商品包装装置。A product wrapping device (1) for wrapping a product (2), wherein the product wrapping device (1) includes a package (7) specified by the product (2) to which each sheet (3) of the packaging material is applied. A first conveyor (4) conveyed along the curved path (P2) and a sealing means (10) for sealing and fixing the wrapper (7), and run in parallel with the curved path (P2). A second method in which the sealing means (10) is transported along another curved path (P3) in tune with the commodity (2) and the sealing means (10) is applied to the wrapper (7). A product packaging device comprising a conveyor (12). 商品（２）に包装材のシート（３）を適用し、包装コンベヤ（４）により第１通路（Ｐ１）に沿って商品（２）と包装材であるシート（３）を搬送し、商品（２）の周りを包装材のシート（３）で覆って包み（７）を形成し、包装コンベヤ（４）により、第２通路（Ｐ２）に沿って包み（７）を搬送して固定する方法であり、当該方法は、第２コンベヤ（１２）により、上記第２通路（Ｐ２）に並走する第３通路（Ｐ３）に沿って、上記商品（２）に調子を合わせて、上記シール手段（１０）を搬送し、上記シール手段（１０）を上記包み（７）に適用して固定することを特徴とする商品（２）を包装する方法。The sheet (3) of the packaging material is applied to the product (2), and the packaging conveyor (4) conveys the product (2) and the sheet (3) as the packaging material along the first path (P1). A method of covering the periphery of 2) with a sheet of packaging material (3) to form a wrap (7), and transporting and fixing the wrap (7) along a second path (P2) by a wrapping conveyor (4). The method comprises adjusting the condition of the product (2) by means of a second conveyor (12) along a third path (P3) running parallel to the second path (P2). A method for packaging a product (2), wherein the product (2) is transported, and the sealing means (10) is applied to the package (7) and fixed. 上記シール手段（１０）を包み（７）に適用する時間は、第２通路（Ｐ２）に沿う包み（７）の移動速度の変化と共に、第３通路（Ｐ３）の実際の長さの変化毎に、特定の値を保持する請求項２５に記載の方法。The time during which the sealing means (10) is applied to the wrap (7) depends on the change in the moving speed of the wrap (7) along the second path (P2) and the change in the actual length of the third path (P3). 26. The method according to claim 25, wherein a specific value is retained.
JP2002551432A 2000-12-21 2001-12-18 Commodity packaging apparatus and method Pending JP2004520235A (en)

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